update manager did not initialise

[Michael Byford]

Got the information below in window

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An unresolvable problem occurred while initialising the package information.

Please report this bug for the 'update-manager' package and try to include the following error message:

'E:Encountered a section with no Package: header, E:Problem with MergeList /var/lib/apt/lists/gb.archive.ubuntu.com_ubuntu_dists_precise_universe_binary-i386_Packages, E:The package lists or status file could not be parsed or opened.'
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I think this should contain the information about the package identity. Ubuntu release is 12.04 LTS.

Expected to run update manager but it gave a "no entry" signed window and the instructions and information pasted above.

[Ubuntu Foundations Team Bug Bot (crichton)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. Reviewing your bug report it seems that you are experiencing bug 346386. This issue happens when you have tried to update your package information when you are a network that didn't return the right files. This issue can be cleaned up by using the following commands in a terminal:

1.) sudo rm /var/lib/apt/lists/*
2.) sudo apt-get update

Thanks and good luck!

[This is an automated message. I apologize if it reached you inappropriately; please reopen the bug task if it was incorrect.]